アクティビティがウィンドウcom.androidをリークしました。doInBackground（）を実行中にエラーが発生しました

Question

ログインまたはphp mysqlで登録するスクリプトを実行すると、以下のエラーが表示されます。

com.example.kalyan E/Surface: getSlotFromBufferLocked: unknown buffer: 0xb40553a0 
E/WindowManager: android.view.WindowLeaked: Activity com.example.kalyan.LoginActivity_old has leaked window com.android.internal.policy.PhoneWindow$DecorView{37f55bd V.E...... R....... 0,0-840,1132} that was originally added here 
                     at android.view.ViewRootImpl.<init>(ViewRootImpl.java:368) 
                     at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:299) 
                     at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:85) 
                     at android.app.Dialog.show(Dialog.java:319) 
                     at com.example.kalyan.LoginActivity_old.showRegisterDialog(LoginActivity_old.java:233) 
                     at com.example.kalyan.LoginActivity_old.onClick(LoginActivity_old.java:172) 
                     at android.view.View.performClick(View.java:5198) 
                     at android.view.View$PerformClick.run(View.java:21147) 
                     at android.os.Handler.handleCallback(Handler.java:739) 
                     at android.os.Handler.dispatchMessage(Handler.java:95) 
                     at android.os.Looper.loop(Looper.java:148) 
                     at android.app.ActivityThread.main(ActivityThread.java:5417) 
                     at java.lang.reflect.Method.invoke(Native Method) 
                     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
                     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
07-08 14:00:03.245 16742-16782/com.example.kalyan E/Surface: getSlotFromBufferLocked: unknown buffer: 0xb40571d0 
07-08 14:00:03.247 16742-16742/com.example.kalyan E/WindowManager: android.view.WindowLeaked: Activity com.example.kalyan.LoginActivity_old has leaked window com.android.internal.policy.PhoneWindow$DecorView{68547b2 V.E...... R....... 0,0-1026,252} that was originally added here 
                     at android.view.ViewRootImpl.<init>(ViewRootImpl.java:368) 
                     at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:299) 
                     at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:85) 
                     at android.app.Dialog.show(Dialog.java:319) 
                     at com.example.kalyan.LoginActivity_old$Registration.onPreExecute(LoginActivity_old.java:329) 
                     at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:604) 
                     at android.os.AsyncTask.execute(AsyncTask.java:551) 
                     at com.example.kalyan.LoginActivity_old$1.onClick(LoginActivity_old.java:206) 
                     at android.view.View.performClick(View.java:5198) 
                     at android.view.View$PerformClick.run(View.java:21147) 
                     at android.os.Handler.handleCallback(Handler.java:739) 
                     at android.os.Handler.dispatchMessage(Handler.java:95) 
                     at android.os.Looper.loop(Looper.java:148) 
                     at android.app.ActivityThread.main(ActivityThread.java:5417) 
                     at java.lang.reflect.Method.invoke(Native Method) 
                     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
                     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
07-08 14:00:03.252 16742-16782/com.example.kalyan E/Surface: getSlotFromBufferLocked: unknown buffer: 0xb4057160 
07-08 14:00:04.002 16742-16778/com.example.kalyan I/GMPM: Tag Manager is not found and thus will not be used 
07-08 14:00:04.896 16742-16814/com.example.kalyan I/Process: Sending signal. PID: 16742 SIG: 9 

ありがとうございます。

public class LoginActivity_old extends Activity implements OnClickListener { 


Button submitBtn, registerBtn, forgotpassBtn; 
EditText emailEt, passwordEt; 
//SessionManager session; 


//Driver Login Fields 
EditText drloginEmail; 
EditText drloginPassword; 
TextView drloginResult; 
Button loginSubmitBtn; 

//Registration Fields 
EditText registrationName, registrationEmail, registrationPhone, registrationPassword, registrationConfirmPassword; 
TextView registrationResult; 

//LostPass Fields 
EditText lostPassEmail; 
TextView lostPassResltText; 

SharedPreferences sh; 

JSONParser jparser = new JSONParser(); 


private static final String regiURL = "http://10.0.2.2/appslider/registration.php"; 
public static final String loginURL = "http://10.0.2.2/appslider/login.php"; 
public static final String getDataURL = null; 
public static final String recoverPasswordURL = "http://10.0.2.2/sendmail.php"; 



Context con; 
/** 
* ATTENTION: This was auto-generated to implement the App Indexing API. 
* See https://g.co/AppIndexing/AndroidStudio for more information. 
*/ 
private GoogleApiClient client; 


@Override 
protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.login_layout); 

    con = LoginActivity_old.this; 

    sh = getSharedPreferences("CRUZER_PREF", MODE_PRIVATE); 

    init(); 

    String email = sh.getString("loginemail", null); 
    String pass = sh.getString("loginpass", null); 
    boolean driver = sh.getBoolean("type", false); 

    if (email != null && pass != null && !driver) { 
     emailEt.setText(email); 
     passwordEt.setText(pass); 
     submitBtn.performClick(); 
    } else if (email != null && pass != null && driver) { 
     showDriverLoginDialog(); 
     drloginEmail.setText(email); 
     drloginPassword.setText(pass); 
     loginSubmitBtn.performClick(); 
    } 

    // ATTENTION: This was auto-generated to implement the App Indexing API. 
    // See https://g.co/AppIndexing/AndroidStudio for more information. 
    client = new GoogleApiClient.Builder(this).addApi(AppIndex.API).build(); 
} 

private void init() { 

    submitBtn = (Button) findViewById(R.id.loginSubmitBtn); 
    registerBtn = (Button) findViewById(R.id.loginRegisterBtn); 
    forgotpassBtn = (Button) findViewById(R.id.loginForgotPassBtn); 

    submitBtn.setOnClickListener(this); 
    registerBtn.setOnClickListener(this); 
    forgotpassBtn.setOnClickListener(this); 

    emailEt = (EditText) findViewById(R.id.loginEmailEt); 
    passwordEt = (EditText) findViewById(R.id.loginPassEt); 

} 

//@Override 
//public boolean onCreateOptionsMenu(Menu menu) { 
    // Inflate the menu; this adds items to the action bar if it is present. 
// getMenuInflater().inflate(R.menu.login, menu); 
// return true; 
//} 

//@Override 
//public boolean onOptionsItemSelected(MenuItem item) { 

// switch (item.getItemId()) { 
//  case R.id.driverloginmenu: 
//   showDriverLoginDialog(); 
//   break; 
// } 

// return super.onOptionsItemSelected(item); 

//} 


@Override 
public void onClick(View v) { 
    if (!Util.isConnectingToInternet(this)) { 
     Util.showNoInternetDialog(this); 
     return; 
    } 

    switch (v.getId()) { 
     case R.id.loginSubmitBtn: 
      if (!TextUtils.isEmpty(emailEt.getText().toString())) { 
       if (!TextUtils.isEmpty(passwordEt.getText().toString())) { 
        new Login().execute("client"); 
       } else 
        Toast.makeText(this, "Please enter your password", Toast.LENGTH_SHORT).show(); 
      } else { 
       Toast.makeText(this, "Please enter your email address", Toast.LENGTH_SHORT).show(); 
      } 
      break; 
     case R.id.loginRegisterBtn: 
      showRegisterDialog(); 
      break; 
     case R.id.loginForgotPassBtn: 
      showLostPasswordDialog(); 
      break; 
    } 
} 
} 

そして、これは参照用のログインコードです：

私のコードです。ありがとう。

Answer 1

エラーを引き起こすコード行は、このアクティビティクラスにはありません。あなたのAsyncTaskクラスにあります。アクティビティーを終了した後でダイアログを開かないことを確認してください。これは初心者の共通の問題です。あなたが表示しようとしているダイアログのコンテキストを処理するだけです。